1556690

Information

• Patent Grant
• 1556690

• References
• Source

• Patent Number

  1,556,690

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1925
  99 years ago

• CPC

  • B66B17/36 - Gates or other apparatus controlling access to, or exit from, cars, cages, or hoistway landings

• US Classifications

  • 049 - Movable or removable closures